Home / 40,137.12-55,389.05-23,141.26

Finding the Fourth Proportional to 40,137.12, 55,389.05 and 23,141.26

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Solution

The fourth proportional to 40,137.12, 55,389.05 and 23,141.26 is: 31,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.12 : 55,389.05 = 23,141.26 : x
  2. Step 2: Convert to fraction form
    40,137.12/55,389.05 = 23,141.26/x
  3. Step 3: Cross multiply
    40,137.12x = 55,389.05 × 23,141.26
  4. Step 4: Simplify right side
    40,137.12x = 1,281,772,447.51
  5. Step 5: Solve for x
    x = 1,281,772,447.51/40,137.12
  6. Step 6: Final answer
    x = 31,934.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.